Home / 47,187.19-70,721.52-28,225.81

Finding the Fourth Proportional to 47,187.19, 70,721.52 and 28,225.81

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Solution

The fourth proportional to 47,187.19, 70,721.52 and 28,225.81 is: 42,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,187.19 : 70,721.52 = 28,225.81 : x
  2. Step 2: Convert to fraction form
    47,187.19/70,721.52 = 28,225.81/x
  3. Step 3: Cross multiply
    47,187.19x = 70,721.52 × 28,225.81
  4. Step 4: Simplify right side
    47,187.19x = 1,996,172,186.43
  5. Step 5: Solve for x
    x = 1,996,172,186.43/47,187.19
  6. Step 6: Final answer
    x = 42,303.26

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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.