Home / 75,365.40-112,962.10-30,357.93

Finding the Fourth Proportional to 75,365.40, 112,962.10 and 30,357.93

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Solution

The fourth proportional to 75,365.40, 112,962.10 and 30,357.93 is: 45,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.40 : 112,962.10 = 30,357.93 : x
  2. Step 2: Convert to fraction form
    75,365.40/112,962.10 = 30,357.93/x
  3. Step 3: Cross multiply
    75,365.40x = 112,962.10 × 30,357.93
  4. Step 4: Simplify right side
    75,365.40x = 3,429,295,524.45
  5. Step 5: Solve for x
    x = 3,429,295,524.45/75,365.40
  6. Step 6: Final answer
    x = 45,502.25

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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.