Home / 47,243.64-70,495.35-42,279.15

Finding the Fourth Proportional to 47,243.64, 70,495.35 and 42,279.15

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Solution

The fourth proportional to 47,243.64, 70,495.35 and 42,279.15 is: 63,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.64 : 70,495.35 = 42,279.15 : x
  2. Step 2: Convert to fraction form
    47,243.64/70,495.35 = 42,279.15/x
  3. Step 3: Cross multiply
    47,243.64x = 70,495.35 × 42,279.15
  4. Step 4: Simplify right side
    47,243.64x = 2,980,483,476.95
  5. Step 5: Solve for x
    x = 2,980,483,476.95/47,243.64
  6. Step 6: Final answer
    x = 63,087.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.