Home / 39,365.40-58,904.10-28,997.40

Finding the Fourth Proportional to 39,365.40, 58,904.10 and 28,997.40

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Solution

The fourth proportional to 39,365.40, 58,904.10 and 28,997.40 is: 43,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.40 : 58,904.10 = 28,997.40 : x
  2. Step 2: Convert to fraction form
    39,365.40/58,904.10 = 28,997.40/x
  3. Step 3: Cross multiply
    39,365.40x = 58,904.10 × 28,997.40
  4. Step 4: Simplify right side
    39,365.40x = 1,708,065,749.34
  5. Step 5: Solve for x
    x = 1,708,065,749.34/39,365.40
  6. Step 6: Final answer
    x = 43,390.03

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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.