Home / 35,015.62-48,312.81-21,400.18

Finding the Fourth Proportional to 35,015.62, 48,312.81 and 21,400.18

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Solution

The fourth proportional to 35,015.62, 48,312.81 and 21,400.18 is: 29,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,015.62 : 48,312.81 = 21,400.18 : x
  2. Step 2: Convert to fraction form
    35,015.62/48,312.81 = 21,400.18/x
  3. Step 3: Cross multiply
    35,015.62x = 48,312.81 × 21,400.18
  4. Step 4: Simplify right side
    35,015.62x = 1,033,902,830.31
  5. Step 5: Solve for x
    x = 1,033,902,830.31/35,015.62
  6. Step 6: Final answer
    x = 29,526.90

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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.