Home / 31,582.20-47,348.45-15,779.10

Finding the Fourth Proportional to 31,582.20, 47,348.45 and 15,779.10

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Solution

The fourth proportional to 31,582.20, 47,348.45 and 15,779.10 is: 23,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.20 : 47,348.45 = 15,779.10 : x
  2. Step 2: Convert to fraction form
    31,582.20/47,348.45 = 15,779.10/x
  3. Step 3: Cross multiply
    31,582.20x = 47,348.45 × 15,779.10
  4. Step 4: Simplify right side
    31,582.20x = 747,116,085.23
  5. Step 5: Solve for x
    x = 747,116,085.23/31,582.20
  6. Step 6: Final answer
    x = 23,656.24

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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.