Home / 31,543.20-47,314.80-26,852.40

Finding the Fourth Proportional to 31,543.20, 47,314.80 and 26,852.40

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Solution

The fourth proportional to 31,543.20, 47,314.80 and 26,852.40 is: 40,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.20 : 47,314.80 = 26,852.40 : x
  2. Step 2: Convert to fraction form
    31,543.20/47,314.80 = 26,852.40/x
  3. Step 3: Cross multiply
    31,543.20x = 47,314.80 × 26,852.40
  4. Step 4: Simplify right side
    31,543.20x = 1,270,515,935.52
  5. Step 5: Solve for x
    x = 1,270,515,935.52/31,543.20
  6. Step 6: Final answer
    x = 40,278.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.