Home / 35,555.04-49,065.12-19,638.24

Finding the Fourth Proportional to 35,555.04, 49,065.12 and 19,638.24

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Solution

The fourth proportional to 35,555.04, 49,065.12 and 19,638.24 is: 27,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.04 : 49,065.12 = 19,638.24 : x
  2. Step 2: Convert to fraction form
    35,555.04/49,065.12 = 19,638.24/x
  3. Step 3: Cross multiply
    35,555.04x = 49,065.12 × 19,638.24
  4. Step 4: Simplify right side
    35,555.04x = 963,552,602.19
  5. Step 5: Solve for x
    x = 963,552,602.19/35,555.04
  6. Step 6: Final answer
    x = 27,100.31

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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.