Home / 32,988.90-45,509.16-31,716.18

Finding the Fourth Proportional to 32,988.90, 45,509.16 and 31,716.18

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Solution

The fourth proportional to 32,988.90, 45,509.16 and 31,716.18 is: 43,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.90 : 45,509.16 = 31,716.18 : x
  2. Step 2: Convert to fraction form
    32,988.90/45,509.16 = 31,716.18/x
  3. Step 3: Cross multiply
    32,988.90x = 45,509.16 × 31,716.18
  4. Step 4: Simplify right side
    32,988.90x = 1,443,376,710.21
  5. Step 5: Solve for x
    x = 1,443,376,710.21/32,988.90
  6. Step 6: Final answer
    x = 43,753.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.