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Finding the Fourth Proportional to 59,651.99, 89,482.55 and 19,655.40

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Solution

The fourth proportional to 59,651.99, 89,482.55 and 19,655.40 is: 29,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,651.99 : 89,482.55 = 19,655.40 : x
  2. Step 2: Convert to fraction form
    59,651.99/89,482.55 = 19,655.40/x
  3. Step 3: Cross multiply
    59,651.99x = 89,482.55 × 19,655.40
  4. Step 4: Simplify right side
    59,651.99x = 1,758,815,214.99
  5. Step 5: Solve for x
    x = 1,758,815,214.99/59,651.99
  6. Step 6: Final answer
    x = 29,484.60

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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.