Home / 30,643.90-42,304.81-23,822.89

Finding the Fourth Proportional to 30,643.90, 42,304.81 and 23,822.89

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Solution

The fourth proportional to 30,643.90, 42,304.81 and 23,822.89 is: 32,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,643.90 : 42,304.81 = 23,822.89 : x
  2. Step 2: Convert to fraction form
    30,643.90/42,304.81 = 23,822.89/x
  3. Step 3: Cross multiply
    30,643.90x = 42,304.81 × 23,822.89
  4. Step 4: Simplify right side
    30,643.90x = 1,007,822,835.10
  5. Step 5: Solve for x
    x = 1,007,822,835.10/30,643.90
  6. Step 6: Final answer
    x = 32,888.20

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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.