Home / 56,220.76-77,582.46-31,069.72

Finding the Fourth Proportional to 56,220.76, 77,582.46 and 31,069.72

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Solution

The fourth proportional to 56,220.76, 77,582.46 and 31,069.72 is: 42,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,220.76 : 77,582.46 = 31,069.72 : x
  2. Step 2: Convert to fraction form
    56,220.76/77,582.46 = 31,069.72/x
  3. Step 3: Cross multiply
    56,220.76x = 77,582.46 × 31,069.72
  4. Step 4: Simplify right side
    56,220.76x = 2,410,465,309.11
  5. Step 5: Solve for x
    x = 2,410,465,309.11/56,220.76
  6. Step 6: Final answer
    x = 42,875.00

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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.