Home / 56,043.40-77,339.80-30,892.92

Finding the Fourth Proportional to 56,043.40, 77,339.80 and 30,892.92

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Solution

The fourth proportional to 56,043.40, 77,339.80 and 30,892.92 is: 42,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.40 : 77,339.80 = 30,892.92 : x
  2. Step 2: Convert to fraction form
    56,043.40/77,339.80 = 30,892.92/x
  3. Step 3: Cross multiply
    56,043.40x = 77,339.80 × 30,892.92
  4. Step 4: Simplify right side
    56,043.40x = 2,389,252,254.22
  5. Step 5: Solve for x
    x = 2,389,252,254.22/56,043.40
  6. Step 6: Final answer
    x = 42,632.18

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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.