Home / 42,352.66-58,421.22-28,012.84

Finding the Fourth Proportional to 42,352.66, 58,421.22 and 28,012.84

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Solution

The fourth proportional to 42,352.66, 58,421.22 and 28,012.84 is: 38,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.66 : 58,421.22 = 28,012.84 : x
  2. Step 2: Convert to fraction form
    42,352.66/58,421.22 = 28,012.84/x
  3. Step 3: Cross multiply
    42,352.66x = 58,421.22 × 28,012.84
  4. Step 4: Simplify right side
    42,352.66x = 1,636,544,288.46
  5. Step 5: Solve for x
    x = 1,636,544,288.46/42,352.66
  6. Step 6: Final answer
    x = 38,640.89

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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.