Home / 42,352.70-58,457.35-28,763.74

Finding the Fourth Proportional to 42,352.70, 58,457.35 and 28,763.74

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Solution

The fourth proportional to 42,352.70, 58,457.35 and 28,763.74 is: 39,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.70 : 58,457.35 = 28,763.74 : x
  2. Step 2: Convert to fraction form
    42,352.70/58,457.35 = 28,763.74/x
  3. Step 3: Cross multiply
    42,352.70x = 58,457.35 × 28,763.74
  4. Step 4: Simplify right side
    42,352.70x = 1,681,452,125.52
  5. Step 5: Solve for x
    x = 1,681,452,125.52/42,352.70
  6. Step 6: Final answer
    x = 39,701.18

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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.