Home / 30,763.81-42,432.84-23,612.32

Finding the Fourth Proportional to 30,763.81, 42,432.84 and 23,612.32

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Solution

The fourth proportional to 30,763.81, 42,432.84 and 23,612.32 is: 32,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.81 : 42,432.84 = 23,612.32 : x
  2. Step 2: Convert to fraction form
    30,763.81/42,432.84 = 23,612.32/x
  3. Step 3: Cross multiply
    30,763.81x = 42,432.84 × 23,612.32
  4. Step 4: Simplify right side
    30,763.81x = 1,001,937,849.63
  5. Step 5: Solve for x
    x = 1,001,937,849.63/30,763.81
  6. Step 6: Final answer
    x = 32,568.72

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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.