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Finding the Fourth Proportional to 32,535.20, 48,802.80 and 31,959.20

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Solution

The fourth proportional to 32,535.20, 48,802.80 and 31,959.20 is: 47,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,535.20 : 48,802.80 = 31,959.20 : x
  2. Step 2: Convert to fraction form
    32,535.20/48,802.80 = 31,959.20/x
  3. Step 3: Cross multiply
    32,535.20x = 48,802.80 × 31,959.20
  4. Step 4: Simplify right side
    32,535.20x = 1,559,698,445.76
  5. Step 5: Solve for x
    x = 1,559,698,445.76/32,535.20
  6. Step 6: Final answer
    x = 47,938.80

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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.