Home / 31,643.08-47,478.54-15,015.16

Finding the Fourth Proportional to 31,643.08, 47,478.54 and 15,015.16

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Solution

The fourth proportional to 31,643.08, 47,478.54 and 15,015.16 is: 22,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.08 : 47,478.54 = 15,015.16 : x
  2. Step 2: Convert to fraction form
    31,643.08/47,478.54 = 15,015.16/x
  3. Step 3: Cross multiply
    31,643.08x = 47,478.54 × 15,015.16
  4. Step 4: Simplify right side
    31,643.08x = 712,897,874.67
  5. Step 5: Solve for x
    x = 712,897,874.67/31,643.08
  6. Step 6: Final answer
    x = 22,529.35

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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.