Home / 51,031.58-70,432.29-32,877.20

Finding the Fourth Proportional to 51,031.58, 70,432.29 and 32,877.20

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Solution

The fourth proportional to 51,031.58, 70,432.29 and 32,877.20 is: 45,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.58 : 70,432.29 = 32,877.20 : x
  2. Step 2: Convert to fraction form
    51,031.58/70,432.29 = 32,877.20/x
  3. Step 3: Cross multiply
    51,031.58x = 70,432.29 × 32,877.20
  4. Step 4: Simplify right side
    51,031.58x = 2,315,616,132.63
  5. Step 5: Solve for x
    x = 2,315,616,132.63/51,031.58
  6. Step 6: Final answer
    x = 45,376.14

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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.