Home / 58,417.40-87,626.10-18,975.80

Finding the Fourth Proportional to 58,417.40, 87,626.10 and 18,975.80

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Solution

The fourth proportional to 58,417.40, 87,626.10 and 18,975.80 is: 28,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,417.40 : 87,626.10 = 18,975.80 : x
  2. Step 2: Convert to fraction form
    58,417.40/87,626.10 = 18,975.80/x
  3. Step 3: Cross multiply
    58,417.40x = 87,626.10 × 18,975.80
  4. Step 4: Simplify right side
    58,417.40x = 1,662,775,348.38
  5. Step 5: Solve for x
    x = 1,662,775,348.38/58,417.40
  6. Step 6: Final answer
    x = 28,463.70

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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.