Home / 32,055.78-47,999.68-20,931.24

Finding the Fourth Proportional to 32,055.78, 47,999.68 and 20,931.24

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Solution

The fourth proportional to 32,055.78, 47,999.68 and 20,931.24 is: 31,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,055.78 : 47,999.68 = 20,931.24 : x
  2. Step 2: Convert to fraction form
    32,055.78/47,999.68 = 20,931.24/x
  3. Step 3: Cross multiply
    32,055.78x = 47,999.68 × 20,931.24
  4. Step 4: Simplify right side
    32,055.78x = 1,004,692,822.00
  5. Step 5: Solve for x
    x = 1,004,692,822.00/32,055.78
  6. Step 6: Final answer
    x = 31,342.02

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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.