Home / 56,011.68-77,280.72-32,137.20

Finding the Fourth Proportional to 56,011.68, 77,280.72 and 32,137.20

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Solution

The fourth proportional to 56,011.68, 77,280.72 and 32,137.20 is: 44,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.68 : 77,280.72 = 32,137.20 : x
  2. Step 2: Convert to fraction form
    56,011.68/77,280.72 = 32,137.20/x
  3. Step 3: Cross multiply
    56,011.68x = 77,280.72 × 32,137.20
  4. Step 4: Simplify right side
    56,011.68x = 2,483,585,954.78
  5. Step 5: Solve for x
    x = 2,483,585,954.78/56,011.68
  6. Step 6: Final answer
    x = 44,340.50

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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.