Home / 55,870.40-77,095.20-31,994.88

Finding the Fourth Proportional to 55,870.40, 77,095.20 and 31,994.88

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Solution

The fourth proportional to 55,870.40, 77,095.20 and 31,994.88 is: 44,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.40 : 77,095.20 = 31,994.88 : x
  2. Step 2: Convert to fraction form
    55,870.40/77,095.20 = 31,994.88/x
  3. Step 3: Cross multiply
    55,870.40x = 77,095.20 × 31,994.88
  4. Step 4: Simplify right side
    55,870.40x = 2,466,651,672.58
  5. Step 5: Solve for x
    x = 2,466,651,672.58/55,870.40
  6. Step 6: Final answer
    x = 44,149.53

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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.