Home / 30,590,852.34-42,218,980.79-17,181,728.71

Finding the Fourth Proportional to 30,590,852.34, 42,218,980.79 and 17,181,728.71

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Solution

The fourth proportional to 30,590,852.34, 42,218,980.79 and 17,181,728.71 is: 23,712,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590,852.34 : 42,218,980.79 = 17,181,728.71 : x
  2. Step 2: Convert to fraction form
    30,590,852.34/42,218,980.79 = 17,181,728.71/x
  3. Step 3: Cross multiply
    30,590,852.34x = 42,218,980.79 × 17,181,728.71
  4. Step 4: Simplify right side
    30,590,852.34x = 725,395,074,155,025.25
  5. Step 5: Solve for x
    x = 725,395,074,155,025.25/30,590,852.34
  6. Step 6: Final answer
    x = 23,712,810.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.