Home / 32,710.20-49,081.50-12,988.32

Finding the Fourth Proportional to 32,710.20, 49,081.50 and 12,988.32

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Solution

The fourth proportional to 32,710.20, 49,081.50 and 12,988.32 is: 19,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,710.20 : 49,081.50 = 12,988.32 : x
  2. Step 2: Convert to fraction form
    32,710.20/49,081.50 = 12,988.32/x
  3. Step 3: Cross multiply
    32,710.20x = 49,081.50 × 12,988.32
  4. Step 4: Simplify right side
    32,710.20x = 637,486,228.08
  5. Step 5: Solve for x
    x = 637,486,228.08/32,710.20
  6. Step 6: Final answer
    x = 19,488.91

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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.