Home / 58,636.04-87,970.46-19,220.90

Finding the Fourth Proportional to 58,636.04, 87,970.46 and 19,220.90

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Solution

The fourth proportional to 58,636.04, 87,970.46 and 19,220.90 is: 28,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,636.04 : 87,970.46 = 19,220.90 : x
  2. Step 2: Convert to fraction form
    58,636.04/87,970.46 = 19,220.90/x
  3. Step 3: Cross multiply
    58,636.04x = 87,970.46 × 19,220.90
  4. Step 4: Simplify right side
    58,636.04x = 1,690,870,878.66
  5. Step 5: Solve for x
    x = 1,690,870,878.66/58,636.04
  6. Step 6: Final answer
    x = 28,836.72

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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.