Home / 42,352.59-58,457.21-28,763.63

Finding the Fourth Proportional to 42,352.59, 58,457.21 and 28,763.63

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Solution

The fourth proportional to 42,352.59, 58,457.21 and 28,763.63 is: 39,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.59 : 58,457.21 = 28,763.63 : x
  2. Step 2: Convert to fraction form
    42,352.59/58,457.21 = 28,763.63/x
  3. Step 3: Cross multiply
    42,352.59x = 58,457.21 × 28,763.63
  4. Step 4: Simplify right side
    42,352.59x = 1,681,441,123.17
  5. Step 5: Solve for x
    x = 1,681,441,123.17/42,352.59
  6. Step 6: Final answer
    x = 39,701.02

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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.