Home / 30,802.78-45,981.35-27,066.10

Finding the Fourth Proportional to 30,802.78, 45,981.35 and 27,066.10

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Solution

The fourth proportional to 30,802.78, 45,981.35 and 27,066.10 is: 40,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.78 : 45,981.35 = 27,066.10 : x
  2. Step 2: Convert to fraction form
    30,802.78/45,981.35 = 27,066.10/x
  3. Step 3: Cross multiply
    30,802.78x = 45,981.35 × 27,066.10
  4. Step 4: Simplify right side
    30,802.78x = 1,244,535,817.24
  5. Step 5: Solve for x
    x = 1,244,535,817.24/30,802.78
  6. Step 6: Final answer
    x = 40,403.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.