Home / 53,265.42-79,898.67-13,820.13

Finding the Fourth Proportional to 53,265.42, 79,898.67 and 13,820.13

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Solution

The fourth proportional to 53,265.42, 79,898.67 and 13,820.13 is: 20,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.42 : 79,898.67 = 13,820.13 : x
  2. Step 2: Convert to fraction form
    53,265.42/79,898.67 = 13,820.13/x
  3. Step 3: Cross multiply
    53,265.42x = 79,898.67 × 13,820.13
  4. Step 4: Simplify right side
    53,265.42x = 1,104,210,006.23
  5. Step 5: Solve for x
    x = 1,104,210,006.23/53,265.42
  6. Step 6: Final answer
    x = 20,730.34

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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.