Home / 29,897.14-40,959.28-28,776.10

Finding the Fourth Proportional to 29,897.14, 40,959.28 and 28,776.10

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Solution

The fourth proportional to 29,897.14, 40,959.28 and 28,776.10 is: 39,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,897.14 : 40,959.28 = 28,776.10 : x
  2. Step 2: Convert to fraction form
    29,897.14/40,959.28 = 28,776.10/x
  3. Step 3: Cross multiply
    29,897.14x = 40,959.28 × 28,776.10
  4. Step 4: Simplify right side
    29,897.14x = 1,178,648,337.21
  5. Step 5: Solve for x
    x = 1,178,648,337.21/29,897.14
  6. Step 6: Final answer
    x = 39,423.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.