Home / 47,340.64-71,038.50-19,256.32

Finding the Fourth Proportional to 47,340.64, 71,038.50 and 19,256.32

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Solution

The fourth proportional to 47,340.64, 71,038.50 and 19,256.32 is: 28,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,340.64 : 71,038.50 = 19,256.32 : x
  2. Step 2: Convert to fraction form
    47,340.64/71,038.50 = 19,256.32/x
  3. Step 3: Cross multiply
    47,340.64x = 71,038.50 × 19,256.32
  4. Step 4: Simplify right side
    47,340.64x = 1,367,940,088.32
  5. Step 5: Solve for x
    x = 1,367,940,088.32/47,340.64
  6. Step 6: Final answer
    x = 28,895.68

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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.