Home / 42,353.70-58,458.73-28,764.74

Finding the Fourth Proportional to 42,353.70, 58,458.73 and 28,764.74

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Solution

The fourth proportional to 42,353.70, 58,458.73 and 28,764.74 is: 39,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,353.70 : 58,458.73 = 28,764.74 : x
  2. Step 2: Convert to fraction form
    42,353.70/58,458.73 = 28,764.74/x
  3. Step 3: Cross multiply
    42,353.70x = 58,458.73 × 28,764.74
  4. Step 4: Simplify right side
    42,353.70x = 1,681,550,169.18
  5. Step 5: Solve for x
    x = 1,681,550,169.18/42,353.70
  6. Step 6: Final answer
    x = 39,702.56

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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.