Home / 66,022.64-99,032.32-19,275.92

Finding the Fourth Proportional to 66,022.64, 99,032.32 and 19,275.92

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Solution

The fourth proportional to 66,022.64, 99,032.32 and 19,275.92 is: 28,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.64 : 99,032.32 = 19,275.92 : x
  2. Step 2: Convert to fraction form
    66,022.64/99,032.32 = 19,275.92/x
  3. Step 3: Cross multiply
    66,022.64x = 99,032.32 × 19,275.92
  4. Step 4: Simplify right side
    66,022.64x = 1,908,939,077.73
  5. Step 5: Solve for x
    x = 1,908,939,077.73/66,022.64
  6. Step 6: Final answer
    x = 28,913.40

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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.