Home / 34,432.14-47,502.78-19,888.58

Finding the Fourth Proportional to 34,432.14, 47,502.78 and 19,888.58

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Solution

The fourth proportional to 34,432.14, 47,502.78 and 19,888.58 is: 27,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,432.14 : 47,502.78 = 19,888.58 : x
  2. Step 2: Convert to fraction form
    34,432.14/47,502.78 = 19,888.58/x
  3. Step 3: Cross multiply
    34,432.14x = 47,502.78 × 19,888.58
  4. Step 4: Simplify right side
    34,432.14x = 944,762,840.25
  5. Step 5: Solve for x
    x = 944,762,840.25/34,432.14
  6. Step 6: Final answer
    x = 27,438.40

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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.