Home / 53,012.79-73,161.81-30,358.89

Finding the Fourth Proportional to 53,012.79, 73,161.81 and 30,358.89

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Solution

The fourth proportional to 53,012.79, 73,161.81 and 30,358.89 is: 41,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.79 : 73,161.81 = 30,358.89 : x
  2. Step 2: Convert to fraction form
    53,012.79/73,161.81 = 30,358.89/x
  3. Step 3: Cross multiply
    53,012.79x = 73,161.81 × 30,358.89
  4. Step 4: Simplify right side
    53,012.79x = 2,221,111,341.99
  5. Step 5: Solve for x
    x = 2,221,111,341.99/53,012.79
  6. Step 6: Final answer
    x = 41,897.65

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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.