Home / 30,802.29-42,507.23-16,655.19

Finding the Fourth Proportional to 30,802.29, 42,507.23 and 16,655.19

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Solution

The fourth proportional to 30,802.29, 42,507.23 and 16,655.19 is: 22,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.29 : 42,507.23 = 16,655.19 : x
  2. Step 2: Convert to fraction form
    30,802.29/42,507.23 = 16,655.19/x
  3. Step 3: Cross multiply
    30,802.29x = 42,507.23 × 16,655.19
  4. Step 4: Simplify right side
    30,802.29x = 707,965,908.75
  5. Step 5: Solve for x
    x = 707,965,908.75/30,802.29
  6. Step 6: Final answer
    x = 22,984.20

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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.