Home / 58,000.21-86,981.76-18,547.93

Finding the Fourth Proportional to 58,000.21, 86,981.76 and 18,547.93

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Solution

The fourth proportional to 58,000.21, 86,981.76 and 18,547.93 is: 27,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,000.21 : 86,981.76 = 18,547.93 : x
  2. Step 2: Convert to fraction form
    58,000.21/86,981.76 = 18,547.93/x
  3. Step 3: Cross multiply
    58,000.21x = 86,981.76 × 18,547.93
  4. Step 4: Simplify right side
    58,000.21x = 1,613,331,595.76
  5. Step 5: Solve for x
    x = 1,613,331,595.76/58,000.21
  6. Step 6: Final answer
    x = 27,815.96

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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.