Home / 31,483.45-47,225.12-21,592.75

Finding the Fourth Proportional to 31,483.45, 47,225.12 and 21,592.75

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Solution

The fourth proportional to 31,483.45, 47,225.12 and 21,592.75 is: 32,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.45 : 47,225.12 = 21,592.75 : x
  2. Step 2: Convert to fraction form
    31,483.45/47,225.12 = 21,592.75/x
  3. Step 3: Cross multiply
    31,483.45x = 47,225.12 × 21,592.75
  4. Step 4: Simplify right side
    31,483.45x = 1,019,719,973.75
  5. Step 5: Solve for x
    x = 1,019,719,973.75/31,483.45
  6. Step 6: Final answer
    x = 32,389.08

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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.