Home / 53,330.18-79,995.26-13,887.18

Finding the Fourth Proportional to 53,330.18, 79,995.26 and 13,887.18

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Solution

The fourth proportional to 53,330.18, 79,995.26 and 13,887.18 is: 20,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.18 : 79,995.26 = 13,887.18 : x
  2. Step 2: Convert to fraction form
    53,330.18/79,995.26 = 13,887.18/x
  3. Step 3: Cross multiply
    53,330.18x = 79,995.26 × 13,887.18
  4. Step 4: Simplify right side
    53,330.18x = 1,110,908,574.77
  5. Step 5: Solve for x
    x = 1,110,908,574.77/53,330.18
  6. Step 6: Final answer
    x = 20,830.77

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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.