Home / 47,211.59-70,784.58-20,901.98

Finding the Fourth Proportional to 47,211.59, 70,784.58 and 20,901.98

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Solution

The fourth proportional to 47,211.59, 70,784.58 and 20,901.98 is: 31,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.59 : 70,784.58 = 20,901.98 : x
  2. Step 2: Convert to fraction form
    47,211.59/70,784.58 = 20,901.98/x
  3. Step 3: Cross multiply
    47,211.59x = 70,784.58 × 20,901.98
  4. Step 4: Simplify right side
    47,211.59x = 1,479,537,875.47
  5. Step 5: Solve for x
    x = 1,479,537,875.47/47,211.59
  6. Step 6: Final answer
    x = 31,338.45

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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.