Home / 56,051.09-77,348.10-30,556.84

Finding the Fourth Proportional to 56,051.09, 77,348.10 and 30,556.84

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Solution

The fourth proportional to 56,051.09, 77,348.10 and 30,556.84 is: 42,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051.09 : 77,348.10 = 30,556.84 : x
  2. Step 2: Convert to fraction form
    56,051.09/77,348.10 = 30,556.84/x
  3. Step 3: Cross multiply
    56,051.09x = 77,348.10 × 30,556.84
  4. Step 4: Simplify right side
    56,051.09x = 2,363,513,129.26
  5. Step 5: Solve for x
    x = 2,363,513,129.26/56,051.09
  6. Step 6: Final answer
    x = 42,167.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.