Home / 42,343.66-63,502.16-15,322.51

Finding the Fourth Proportional to 42,343.66, 63,502.16 and 15,322.51

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Solution

The fourth proportional to 42,343.66, 63,502.16 and 15,322.51 is: 22,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.66 : 63,502.16 = 15,322.51 : x
  2. Step 2: Convert to fraction form
    42,343.66/63,502.16 = 15,322.51/x
  3. Step 3: Cross multiply
    42,343.66x = 63,502.16 × 15,322.51
  4. Step 4: Simplify right side
    42,343.66x = 973,012,164.11
  5. Step 5: Solve for x
    x = 973,012,164.11/42,343.66
  6. Step 6: Final answer
    x = 22,978.94

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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.