Home / 48,445.64-66,827.68-30,509.84

Finding the Fourth Proportional to 48,445.64, 66,827.68 and 30,509.84

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Solution

The fourth proportional to 48,445.64, 66,827.68 and 30,509.84 is: 42,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.64 : 66,827.68 = 30,509.84 : x
  2. Step 2: Convert to fraction form
    48,445.64/66,827.68 = 30,509.84/x
  3. Step 3: Cross multiply
    48,445.64x = 66,827.68 × 30,509.84
  4. Step 4: Simplify right side
    48,445.64x = 2,038,901,824.37
  5. Step 5: Solve for x
    x = 2,038,901,824.37/48,445.64
  6. Step 6: Final answer
    x = 42,086.38

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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.