Home / 39,555.92-59,340.72-13,263.20

Finding the Fourth Proportional to 39,555.92, 59,340.72 and 13,263.20

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Solution

The fourth proportional to 39,555.92, 59,340.72 and 13,263.20 is: 19,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.92 : 59,340.72 = 13,263.20 : x
  2. Step 2: Convert to fraction form
    39,555.92/59,340.72 = 13,263.20/x
  3. Step 3: Cross multiply
    39,555.92x = 59,340.72 × 13,263.20
  4. Step 4: Simplify right side
    39,555.92x = 787,047,837.50
  5. Step 5: Solve for x
    x = 787,047,837.50/39,555.92
  6. Step 6: Final answer
    x = 19,897.09

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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.