Home / 75,027.60-112,541.40-19,623.60

Finding the Fourth Proportional to 75,027.60, 112,541.40 and 19,623.60

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Solution

The fourth proportional to 75,027.60, 112,541.40 and 19,623.60 is: 29,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.60 : 112,541.40 = 19,623.60 : x
  2. Step 2: Convert to fraction form
    75,027.60/112,541.40 = 19,623.60/x
  3. Step 3: Cross multiply
    75,027.60x = 112,541.40 × 19,623.60
  4. Step 4: Simplify right side
    75,027.60x = 2,208,467,417.04
  5. Step 5: Solve for x
    x = 2,208,467,417.04/75,027.60
  6. Step 6: Final answer
    x = 29,435.40

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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.