Home / 52,448.20-78,672.38-40,038.68

Finding the Fourth Proportional to 52,448.20, 78,672.38 and 40,038.68

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Solution

The fourth proportional to 52,448.20, 78,672.38 and 40,038.68 is: 60,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.20 : 78,672.38 = 40,038.68 : x
  2. Step 2: Convert to fraction form
    52,448.20/78,672.38 = 40,038.68/x
  3. Step 3: Cross multiply
    52,448.20x = 78,672.38 × 40,038.68
  4. Step 4: Simplify right side
    52,448.20x = 3,149,938,244.15
  5. Step 5: Solve for x
    x = 3,149,938,244.15/52,448.20
  6. Step 6: Final answer
    x = 60,058.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.