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Finding the Fourth Proportional to 58,774.98, 88,133.10 and 18,788.76

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Solution

The fourth proportional to 58,774.98, 88,133.10 and 18,788.76 is: 28,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.98 : 88,133.10 = 18,788.76 : x
  2. Step 2: Convert to fraction form
    58,774.98/88,133.10 = 18,788.76/x
  3. Step 3: Cross multiply
    58,774.98x = 88,133.10 × 18,788.76
  4. Step 4: Simplify right side
    58,774.98x = 1,655,911,663.96
  5. Step 5: Solve for x
    x = 1,655,911,663.96/58,774.98
  6. Step 6: Final answer
    x = 28,173.75

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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.