Home / 39,810.56-59,717.28-13,518.08

Finding the Fourth Proportional to 39,810.56, 59,717.28 and 13,518.08

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Solution

The fourth proportional to 39,810.56, 59,717.28 and 13,518.08 is: 20,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.56 : 59,717.28 = 13,518.08 : x
  2. Step 2: Convert to fraction form
    39,810.56/59,717.28 = 13,518.08/x
  3. Step 3: Cross multiply
    39,810.56x = 59,717.28 × 13,518.08
  4. Step 4: Simplify right side
    39,810.56x = 807,262,968.42
  5. Step 5: Solve for x
    x = 807,262,968.42/39,810.56
  6. Step 6: Final answer
    x = 20,277.61

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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.