Home / 53,030.60-79,544.06-13,588.10

Finding the Fourth Proportional to 53,030.60, 79,544.06 and 13,588.10

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Solution

The fourth proportional to 53,030.60, 79,544.06 and 13,588.10 is: 20,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.60 : 79,544.06 = 13,588.10 : x
  2. Step 2: Convert to fraction form
    53,030.60/79,544.06 = 13,588.10/x
  3. Step 3: Cross multiply
    53,030.60x = 79,544.06 × 13,588.10
  4. Step 4: Simplify right side
    53,030.60x = 1,080,852,641.69
  5. Step 5: Solve for x
    x = 1,080,852,641.69/53,030.60
  6. Step 6: Final answer
    x = 20,381.68

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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.