Home / 49,445.16-74,210.70-19,883.40

Finding the Fourth Proportional to 49,445.16, 74,210.70 and 19,883.40

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Solution

The fourth proportional to 49,445.16, 74,210.70 and 19,883.40 is: 29,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,445.16 : 74,210.70 = 19,883.40 : x
  2. Step 2: Convert to fraction form
    49,445.16/74,210.70 = 19,883.40/x
  3. Step 3: Cross multiply
    49,445.16x = 74,210.70 × 19,883.40
  4. Step 4: Simplify right side
    49,445.16x = 1,475,561,032.38
  5. Step 5: Solve for x
    x = 1,475,561,032.38/49,445.16
  6. Step 6: Final answer
    x = 29,842.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.