Home / 35,680.80-53,456.40-29,071.20

Finding the Fourth Proportional to 35,680.80, 53,456.40 and 29,071.20

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Solution

The fourth proportional to 35,680.80, 53,456.40 and 29,071.20 is: 43,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.80 : 53,456.40 = 29,071.20 : x
  2. Step 2: Convert to fraction form
    35,680.80/53,456.40 = 29,071.20/x
  3. Step 3: Cross multiply
    35,680.80x = 53,456.40 × 29,071.20
  4. Step 4: Simplify right side
    35,680.80x = 1,554,041,695.68
  5. Step 5: Solve for x
    x = 1,554,041,695.68/35,680.80
  6. Step 6: Final answer
    x = 43,554.00

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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.