Home / 38,916.64-53,686.32-37,407.76

Finding the Fourth Proportional to 38,916.64, 53,686.32 and 37,407.76

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Solution

The fourth proportional to 38,916.64, 53,686.32 and 37,407.76 is: 51,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.64 : 53,686.32 = 37,407.76 : x
  2. Step 2: Convert to fraction form
    38,916.64/53,686.32 = 37,407.76/x
  3. Step 3: Cross multiply
    38,916.64x = 53,686.32 × 37,407.76
  4. Step 4: Simplify right side
    38,916.64x = 2,008,284,973.84
  5. Step 5: Solve for x
    x = 2,008,284,973.84/38,916.64
  6. Step 6: Final answer
    x = 51,604.79

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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.