Home / 53,128.60-79,673.75-17,583.35

Finding the Fourth Proportional to 53,128.60, 79,673.75 and 17,583.35

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Solution

The fourth proportional to 53,128.60, 79,673.75 and 17,583.35 is: 26,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.60 : 79,673.75 = 17,583.35 : x
  2. Step 2: Convert to fraction form
    53,128.60/79,673.75 = 17,583.35/x
  3. Step 3: Cross multiply
    53,128.60x = 79,673.75 × 17,583.35
  4. Step 4: Simplify right side
    53,128.60x = 1,400,931,675.21
  5. Step 5: Solve for x
    x = 1,400,931,675.21/53,128.60
  6. Step 6: Final answer
    x = 26,368.69

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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.