Home / 53,158.08-79,718.40-15,708.18

Finding the Fourth Proportional to 53,158.08, 79,718.40 and 15,708.18

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Solution

The fourth proportional to 53,158.08, 79,718.40 and 15,708.18 is: 23,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.08 : 79,718.40 = 15,708.18 : x
  2. Step 2: Convert to fraction form
    53,158.08/79,718.40 = 15,708.18/x
  3. Step 3: Cross multiply
    53,158.08x = 79,718.40 × 15,708.18
  4. Step 4: Simplify right side
    53,158.08x = 1,252,230,976.51
  5. Step 5: Solve for x
    x = 1,252,230,976.51/53,158.08
  6. Step 6: Final answer
    x = 23,556.74

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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.