Home / 58,730.40-88,095.60-19,288.80

Finding the Fourth Proportional to 58,730.40, 88,095.60 and 19,288.80

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Solution

The fourth proportional to 58,730.40, 88,095.60 and 19,288.80 is: 28,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,730.40 : 88,095.60 = 19,288.80 : x
  2. Step 2: Convert to fraction form
    58,730.40/88,095.60 = 19,288.80/x
  3. Step 3: Cross multiply
    58,730.40x = 88,095.60 × 19,288.80
  4. Step 4: Simplify right side
    58,730.40x = 1,699,258,409.28
  5. Step 5: Solve for x
    x = 1,699,258,409.28/58,730.40
  6. Step 6: Final answer
    x = 28,933.20

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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.