Home / 39,738.16-59,615.88-12,038.32

Finding the Fourth Proportional to 39,738.16, 59,615.88 and 12,038.32

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Solution

The fourth proportional to 39,738.16, 59,615.88 and 12,038.32 is: 18,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.16 : 59,615.88 = 12,038.32 : x
  2. Step 2: Convert to fraction form
    39,738.16/59,615.88 = 12,038.32/x
  3. Step 3: Cross multiply
    39,738.16x = 59,615.88 × 12,038.32
  4. Step 4: Simplify right side
    39,738.16x = 717,675,040.52
  5. Step 5: Solve for x
    x = 717,675,040.52/39,738.16
  6. Step 6: Final answer
    x = 18,060.10

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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.