Home / 47,368.84-71,045.52-19,287.76

Finding the Fourth Proportional to 47,368.84, 71,045.52 and 19,287.76

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Solution

The fourth proportional to 47,368.84, 71,045.52 and 19,287.76 is: 28,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.84 : 71,045.52 = 19,287.76 : x
  2. Step 2: Convert to fraction form
    47,368.84/71,045.52 = 19,287.76/x
  3. Step 3: Cross multiply
    47,368.84x = 71,045.52 × 19,287.76
  4. Step 4: Simplify right side
    47,368.84x = 1,370,308,938.84
  5. Step 5: Solve for x
    x = 1,370,308,938.84/47,368.84
  6. Step 6: Final answer
    x = 28,928.49

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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.