Home / 52,303.91-72,178.97-28,430.51

Finding the Fourth Proportional to 52,303.91, 72,178.97 and 28,430.51

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Solution

The fourth proportional to 52,303.91, 72,178.97 and 28,430.51 is: 39,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,303.91 : 72,178.97 = 28,430.51 : x
  2. Step 2: Convert to fraction form
    52,303.91/72,178.97 = 28,430.51/x
  3. Step 3: Cross multiply
    52,303.91x = 72,178.97 × 28,430.51
  4. Step 4: Simplify right side
    52,303.91x = 2,052,084,928.37
  5. Step 5: Solve for x
    x = 2,052,084,928.37/52,303.91
  6. Step 6: Final answer
    x = 39,233.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.