Home / 57,364.40-79,140.75-42,292.88

Finding the Fourth Proportional to 57,364.40, 79,140.75 and 42,292.88

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Solution

The fourth proportional to 57,364.40, 79,140.75 and 42,292.88 is: 58,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.40 : 79,140.75 = 42,292.88 : x
  2. Step 2: Convert to fraction form
    57,364.40/79,140.75 = 42,292.88/x
  3. Step 3: Cross multiply
    57,364.40x = 79,140.75 × 42,292.88
  4. Step 4: Simplify right side
    57,364.40x = 3,347,090,242.86
  5. Step 5: Solve for x
    x = 3,347,090,242.86/57,364.40
  6. Step 6: Final answer
    x = 58,347.86

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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.