Home / 42,369.05-58,447.36-28,752.41

Finding the Fourth Proportional to 42,369.05, 58,447.36 and 28,752.41

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Solution

The fourth proportional to 42,369.05, 58,447.36 and 28,752.41 is: 39,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,369.05 : 58,447.36 = 28,752.41 : x
  2. Step 2: Convert to fraction form
    42,369.05/58,447.36 = 28,752.41/x
  3. Step 3: Cross multiply
    42,369.05x = 58,447.36 × 28,752.41
  4. Step 4: Simplify right side
    42,369.05x = 1,680,502,458.14
  5. Step 5: Solve for x
    x = 1,680,502,458.14/42,369.05
  6. Step 6: Final answer
    x = 39,663.44

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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.