Home / 31,549.20-47,323.80-26,858.40

Finding the Fourth Proportional to 31,549.20, 47,323.80 and 26,858.40

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Solution

The fourth proportional to 31,549.20, 47,323.80 and 26,858.40 is: 40,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.20 : 47,323.80 = 26,858.40 : x
  2. Step 2: Convert to fraction form
    31,549.20/47,323.80 = 26,858.40/x
  3. Step 3: Cross multiply
    31,549.20x = 47,323.80 × 26,858.40
  4. Step 4: Simplify right side
    31,549.20x = 1,271,041,549.92
  5. Step 5: Solve for x
    x = 1,271,041,549.92/31,549.20
  6. Step 6: Final answer
    x = 40,287.60

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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.