Home / 30,477.13-42,066.89-17,732.77

Finding the Fourth Proportional to 30,477.13, 42,066.89 and 17,732.77

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Solution

The fourth proportional to 30,477.13, 42,066.89 and 17,732.77 is: 24,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.13 : 42,066.89 = 17,732.77 : x
  2. Step 2: Convert to fraction form
    30,477.13/42,066.89 = 17,732.77/x
  3. Step 3: Cross multiply
    30,477.13x = 42,066.89 × 17,732.77
  4. Step 4: Simplify right side
    30,477.13x = 745,962,459.34
  5. Step 5: Solve for x
    x = 745,962,459.34/30,477.13
  6. Step 6: Final answer
    x = 24,476.14

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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.