Home / 53,148.69-73,337.51-30,488.63

Finding the Fourth Proportional to 53,148.69, 73,337.51 and 30,488.63

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Solution

The fourth proportional to 53,148.69, 73,337.51 and 30,488.63 is: 42,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.69 : 73,337.51 = 30,488.63 : x
  2. Step 2: Convert to fraction form
    53,148.69/73,337.51 = 30,488.63/x
  3. Step 3: Cross multiply
    53,148.69x = 73,337.51 × 30,488.63
  4. Step 4: Simplify right side
    53,148.69x = 2,235,959,917.05
  5. Step 5: Solve for x
    x = 2,235,959,917.05/53,148.69
  6. Step 6: Final answer
    x = 42,069.90

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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.