Home / 35,931.34-53,897.35-12,557.85

Finding the Fourth Proportional to 35,931.34, 53,897.35 and 12,557.85

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Solution

The fourth proportional to 35,931.34, 53,897.35 and 12,557.85 is: 18,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.34 : 53,897.35 = 12,557.85 : x
  2. Step 2: Convert to fraction form
    35,931.34/53,897.35 = 12,557.85/x
  3. Step 3: Cross multiply
    35,931.34x = 53,897.35 × 12,557.85
  4. Step 4: Simplify right side
    35,931.34x = 676,834,836.70
  5. Step 5: Solve for x
    x = 676,834,836.70/35,931.34
  6. Step 6: Final answer
    x = 18,836.89

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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.