Home / 39,980.18-59,970.58-15,025.91

Finding the Fourth Proportional to 39,980.18, 59,970.58 and 15,025.91

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Solution

The fourth proportional to 39,980.18, 59,970.58 and 15,025.91 is: 22,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.18 : 59,970.58 = 15,025.91 : x
  2. Step 2: Convert to fraction form
    39,980.18/59,970.58 = 15,025.91/x
  3. Step 3: Cross multiply
    39,980.18x = 59,970.58 × 15,025.91
  4. Step 4: Simplify right side
    39,980.18x = 901,112,200.31
  5. Step 5: Solve for x
    x = 901,112,200.31/39,980.18
  6. Step 6: Final answer
    x = 22,538.97

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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.