Home / 34,061.76-47,007.68-18,955.60

Finding the Fourth Proportional to 34,061.76, 47,007.68 and 18,955.60

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Solution

The fourth proportional to 34,061.76, 47,007.68 and 18,955.60 is: 26,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.76 : 47,007.68 = 18,955.60 : x
  2. Step 2: Convert to fraction form
    34,061.76/47,007.68 = 18,955.60/x
  3. Step 3: Cross multiply
    34,061.76x = 47,007.68 × 18,955.60
  4. Step 4: Simplify right side
    34,061.76x = 891,058,779.01
  5. Step 5: Solve for x
    x = 891,058,779.01/34,061.76
  6. Step 6: Final answer
    x = 26,160.09

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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.