Home / 30,090.16-41,521.53-17,988.25

Finding the Fourth Proportional to 30,090.16, 41,521.53 and 17,988.25

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Solution

The fourth proportional to 30,090.16, 41,521.53 and 17,988.25 is: 24,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.16 : 41,521.53 = 17,988.25 : x
  2. Step 2: Convert to fraction form
    30,090.16/41,521.53 = 17,988.25/x
  3. Step 3: Cross multiply
    30,090.16x = 41,521.53 × 17,988.25
  4. Step 4: Simplify right side
    30,090.16x = 746,899,490.76
  5. Step 5: Solve for x
    x = 746,899,490.76/30,090.16
  6. Step 6: Final answer
    x = 24,822.05

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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.