Home / 53,140.12-73,333.40-29,266.76

Finding the Fourth Proportional to 53,140.12, 73,333.40 and 29,266.76

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Solution

The fourth proportional to 53,140.12, 73,333.40 and 29,266.76 is: 40,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.12 : 73,333.40 = 29,266.76 : x
  2. Step 2: Convert to fraction form
    53,140.12/73,333.40 = 29,266.76/x
  3. Step 3: Cross multiply
    53,140.12x = 73,333.40 × 29,266.76
  4. Step 4: Simplify right side
    53,140.12x = 2,146,231,017.78
  5. Step 5: Solve for x
    x = 2,146,231,017.78/53,140.12
  6. Step 6: Final answer
    x = 40,388.15

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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.