Home / 58,420.47-87,651.06-18,445.62

Finding the Fourth Proportional to 58,420.47, 87,651.06 and 18,445.62

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Solution

The fourth proportional to 58,420.47, 87,651.06 and 18,445.62 is: 27,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.47 : 87,651.06 = 18,445.62 : x
  2. Step 2: Convert to fraction form
    58,420.47/87,651.06 = 18,445.62/x
  3. Step 3: Cross multiply
    58,420.47x = 87,651.06 × 18,445.62
  4. Step 4: Simplify right side
    58,420.47x = 1,616,778,053.13
  5. Step 5: Solve for x
    x = 1,616,778,053.13/58,420.47
  6. Step 6: Final answer
    x = 27,674.86

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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.