Home / 42,468.81-63,431.66-38,460.22

Finding the Fourth Proportional to 42,468.81, 63,431.66 and 38,460.22

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Solution

The fourth proportional to 42,468.81, 63,431.66 and 38,460.22 is: 57,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.81 : 63,431.66 = 38,460.22 : x
  2. Step 2: Convert to fraction form
    42,468.81/63,431.66 = 38,460.22/x
  3. Step 3: Cross multiply
    42,468.81x = 63,431.66 × 38,460.22
  4. Step 4: Simplify right side
    42,468.81x = 2,439,595,319.80
  5. Step 5: Solve for x
    x = 2,439,595,319.80/42,468.81
  6. Step 6: Final answer
    x = 57,444.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.