Home / 47,116.36-70,663.74-28,146.34

Finding the Fourth Proportional to 47,116.36, 70,663.74 and 28,146.34

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Solution

The fourth proportional to 47,116.36, 70,663.74 and 28,146.34 is: 42,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,116.36 : 70,663.74 = 28,146.34 : x
  2. Step 2: Convert to fraction form
    47,116.36/70,663.74 = 28,146.34/x
  3. Step 3: Cross multiply
    47,116.36x = 70,663.74 × 28,146.34
  4. Step 4: Simplify right side
    47,116.36x = 1,988,925,651.71
  5. Step 5: Solve for x
    x = 1,988,925,651.71/47,116.36
  6. Step 6: Final answer
    x = 42,213.06

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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.