Home / 53,743.20-74,165.08-29,869.40

Finding the Fourth Proportional to 53,743.20, 74,165.08 and 29,869.40

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Solution

The fourth proportional to 53,743.20, 74,165.08 and 29,869.40 is: 41,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.20 : 74,165.08 = 29,869.40 : x
  2. Step 2: Convert to fraction form
    53,743.20/74,165.08 = 29,869.40/x
  3. Step 3: Cross multiply
    53,743.20x = 74,165.08 × 29,869.40
  4. Step 4: Simplify right side
    53,743.20x = 2,215,266,440.55
  5. Step 5: Solve for x
    x = 2,215,266,440.55/53,743.20
  6. Step 6: Final answer
    x = 41,219.47

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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.