Home / 32,184.40-48,276.60-21,125.20

Finding the Fourth Proportional to 32,184.40, 48,276.60 and 21,125.20

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Solution

The fourth proportional to 32,184.40, 48,276.60 and 21,125.20 is: 31,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,184.40 : 48,276.60 = 21,125.20 : x
  2. Step 2: Convert to fraction form
    32,184.40/48,276.60 = 21,125.20/x
  3. Step 3: Cross multiply
    32,184.40x = 48,276.60 × 21,125.20
  4. Step 4: Simplify right side
    32,184.40x = 1,019,852,830.32
  5. Step 5: Solve for x
    x = 1,019,852,830.32/32,184.40
  6. Step 6: Final answer
    x = 31,687.80

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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.