Home / 74,283.51-111,433.08-21,693.15

Finding the Fourth Proportional to 74,283.51, 111,433.08 and 21,693.15

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Solution

The fourth proportional to 74,283.51, 111,433.08 and 21,693.15 is: 32,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.51 : 111,433.08 = 21,693.15 : x
  2. Step 2: Convert to fraction form
    74,283.51/111,433.08 = 21,693.15/x
  3. Step 3: Cross multiply
    74,283.51x = 111,433.08 × 21,693.15
  4. Step 4: Simplify right side
    74,283.51x = 2,417,334,600.75
  5. Step 5: Solve for x
    x = 2,417,334,600.75/74,283.51
  6. Step 6: Final answer
    x = 32,542.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.