Home / 51,034.19-70,416.27-30,887.06

Finding the Fourth Proportional to 51,034.19, 70,416.27 and 30,887.06

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Solution

The fourth proportional to 51,034.19, 70,416.27 and 30,887.06 is: 42,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.19 : 70,416.27 = 30,887.06 : x
  2. Step 2: Convert to fraction form
    51,034.19/70,416.27 = 30,887.06/x
  3. Step 3: Cross multiply
    51,034.19x = 70,416.27 × 30,887.06
  4. Step 4: Simplify right side
    51,034.19x = 2,174,951,204.38
  5. Step 5: Solve for x
    x = 2,174,951,204.38/51,034.19
  6. Step 6: Final answer
    x = 42,617.54

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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.