Home / 57,370.48-79,149.15-42,298.91

Finding the Fourth Proportional to 57,370.48, 79,149.15 and 42,298.91

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Solution

The fourth proportional to 57,370.48, 79,149.15 and 42,298.91 is: 58,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370.48 : 79,149.15 = 42,298.91 : x
  2. Step 2: Convert to fraction form
    57,370.48/79,149.15 = 42,298.91/x
  3. Step 3: Cross multiply
    57,370.48x = 79,149.15 × 42,298.91
  4. Step 4: Simplify right side
    57,370.48x = 3,347,922,673.49
  5. Step 5: Solve for x
    x = 3,347,922,673.49/57,370.48
  6. Step 6: Final answer
    x = 58,356.19

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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.