Home / 58,316.64-87,488.85-18,873.76

Finding the Fourth Proportional to 58,316.64, 87,488.85 and 18,873.76

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Solution

The fourth proportional to 58,316.64, 87,488.85 and 18,873.76 is: 28,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,316.64 : 87,488.85 = 18,873.76 : x
  2. Step 2: Convert to fraction form
    58,316.64/87,488.85 = 18,873.76/x
  3. Step 3: Cross multiply
    58,316.64x = 87,488.85 × 18,873.76
  4. Step 4: Simplify right side
    58,316.64x = 1,651,243,291.67
  5. Step 5: Solve for x
    x = 1,651,243,291.67/58,316.64
  6. Step 6: Final answer
    x = 28,315.13

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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.