Home / 53,781.81-74,211.69-29,903.88

Finding the Fourth Proportional to 53,781.81, 74,211.69 and 29,903.88

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Solution

The fourth proportional to 53,781.81, 74,211.69 and 29,903.88 is: 41,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.81 : 74,211.69 = 29,903.88 : x
  2. Step 2: Convert to fraction form
    53,781.81/74,211.69 = 29,903.88/x
  3. Step 3: Cross multiply
    53,781.81x = 74,211.69 × 29,903.88
  4. Step 4: Simplify right side
    53,781.81x = 2,219,217,862.79
  5. Step 5: Solve for x
    x = 2,219,217,862.79/53,781.81
  6. Step 6: Final answer
    x = 41,263.36

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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.