Home / 34,455.34-47,545.45-20,848.45

Finding the Fourth Proportional to 34,455.34, 47,545.45 and 20,848.45

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Solution

The fourth proportional to 34,455.34, 47,545.45 and 20,848.45 is: 28,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455.34 : 47,545.45 = 20,848.45 : x
  2. Step 2: Convert to fraction form
    34,455.34/47,545.45 = 20,848.45/x
  3. Step 3: Cross multiply
    34,455.34x = 47,545.45 × 20,848.45
  4. Step 4: Simplify right side
    34,455.34x = 991,248,937.05
  5. Step 5: Solve for x
    x = 991,248,937.05/34,455.34
  6. Step 6: Final answer
    x = 28,769.09

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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.