Home / 35,618.10-53,439.54-13,437.87

Finding the Fourth Proportional to 35,618.10, 53,439.54 and 13,437.87

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Solution

The fourth proportional to 35,618.10, 53,439.54 and 13,437.87 is: 20,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.10 : 53,439.54 = 13,437.87 : x
  2. Step 2: Convert to fraction form
    35,618.10/53,439.54 = 13,437.87/x
  3. Step 3: Cross multiply
    35,618.10x = 53,439.54 × 13,437.87
  4. Step 4: Simplify right side
    35,618.10x = 718,113,591.38
  5. Step 5: Solve for x
    x = 718,113,591.38/35,618.10
  6. Step 6: Final answer
    x = 20,161.48

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1.5x scale

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.