Home / 39,805.02-59,708.34-13,509.72

Finding the Fourth Proportional to 39,805.02, 59,708.34 and 13,509.72

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Solution

The fourth proportional to 39,805.02, 59,708.34 and 13,509.72 is: 20,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.02 : 59,708.34 = 13,509.72 : x
  2. Step 2: Convert to fraction form
    39,805.02/59,708.34 = 13,509.72/x
  3. Step 3: Cross multiply
    39,805.02x = 59,708.34 × 13,509.72
  4. Step 4: Simplify right side
    39,805.02x = 806,642,955.06
  5. Step 5: Solve for x
    x = 806,642,955.06/39,805.02
  6. Step 6: Final answer
    x = 20,264.85

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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.