Home / 47,061.06-70,586.42-13,781.45

Finding the Fourth Proportional to 47,061.06, 70,586.42 and 13,781.45

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Solution

The fourth proportional to 47,061.06, 70,586.42 and 13,781.45 is: 20,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,061.06 : 70,586.42 = 13,781.45 : x
  2. Step 2: Convert to fraction form
    47,061.06/70,586.42 = 13,781.45/x
  3. Step 3: Cross multiply
    47,061.06x = 70,586.42 × 13,781.45
  4. Step 4: Simplify right side
    47,061.06x = 972,783,204.46
  5. Step 5: Solve for x
    x = 972,783,204.46/47,061.06
  6. Step 6: Final answer
    x = 20,670.66

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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.