Home / 58,538.08-87,798.20-19,095.13

Finding the Fourth Proportional to 58,538.08, 87,798.20 and 19,095.13

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Solution

The fourth proportional to 58,538.08, 87,798.20 and 19,095.13 is: 28,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,538.08 : 87,798.20 = 19,095.13 : x
  2. Step 2: Convert to fraction form
    58,538.08/87,798.20 = 19,095.13/x
  3. Step 3: Cross multiply
    58,538.08x = 87,798.20 × 19,095.13
  4. Step 4: Simplify right side
    58,538.08x = 1,676,517,603.78
  5. Step 5: Solve for x
    x = 1,676,517,603.78/58,538.08
  6. Step 6: Final answer
    x = 28,639.78

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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.