Home / 47,920.05-66,130.11-26,410.56

Finding the Fourth Proportional to 47,920.05, 66,130.11 and 26,410.56

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Solution

The fourth proportional to 47,920.05, 66,130.11 and 26,410.56 is: 36,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.05 : 66,130.11 = 26,410.56 : x
  2. Step 2: Convert to fraction form
    47,920.05/66,130.11 = 26,410.56/x
  3. Step 3: Cross multiply
    47,920.05x = 66,130.11 × 26,410.56
  4. Step 4: Simplify right side
    47,920.05x = 1,746,533,386.65
  5. Step 5: Solve for x
    x = 1,746,533,386.65/47,920.05
  6. Step 6: Final answer
    x = 36,446.82

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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.