Home / 31,302.03-43,200.36-17,875.20

Finding the Fourth Proportional to 31,302.03, 43,200.36 and 17,875.20

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Solution

The fourth proportional to 31,302.03, 43,200.36 and 17,875.20 is: 24,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.03 : 43,200.36 = 17,875.20 : x
  2. Step 2: Convert to fraction form
    31,302.03/43,200.36 = 17,875.20/x
  3. Step 3: Cross multiply
    31,302.03x = 43,200.36 × 17,875.20
  4. Step 4: Simplify right side
    31,302.03x = 772,215,075.07
  5. Step 5: Solve for x
    x = 772,215,075.07/31,302.03
  6. Step 6: Final answer
    x = 24,669.81

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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.