Home / 53,364.61-73,646.01-30,707.05

Finding the Fourth Proportional to 53,364.61, 73,646.01 and 30,707.05

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Solution

The fourth proportional to 53,364.61, 73,646.01 and 30,707.05 is: 42,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.61 : 73,646.01 = 30,707.05 : x
  2. Step 2: Convert to fraction form
    53,364.61/73,646.01 = 30,707.05/x
  3. Step 3: Cross multiply
    53,364.61x = 73,646.01 × 30,707.05
  4. Step 4: Simplify right side
    53,364.61x = 2,261,451,711.37
  5. Step 5: Solve for x
    x = 2,261,451,711.37/53,364.61
  6. Step 6: Final answer
    x = 42,377.37

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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.