Home / 56,312.40-77,710.12-32,439

Finding the Fourth Proportional to 56,312.40, 77,710.12 and 32,439

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Solution

The fourth proportional to 56,312.40, 77,710.12 and 32,439 is: 44,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.40 : 77,710.12 = 32,439 : x
  2. Step 2: Convert to fraction form
    56,312.40/77,710.12 = 32,439/x
  3. Step 3: Cross multiply
    56,312.40x = 77,710.12 × 32,439
  4. Step 4: Simplify right side
    56,312.40x = 2,520,838,582.68
  5. Step 5: Solve for x
    x = 2,520,838,582.68/56,312.40
  6. Step 6: Final answer
    x = 44,765.25

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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.