Home / 53,328.28-73,602.47-30,665.51

Finding the Fourth Proportional to 53,328.28, 73,602.47 and 30,665.51

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Solution

The fourth proportional to 53,328.28, 73,602.47 and 30,665.51 is: 42,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.28 : 73,602.47 = 30,665.51 : x
  2. Step 2: Convert to fraction form
    53,328.28/73,602.47 = 30,665.51/x
  3. Step 3: Cross multiply
    53,328.28x = 73,602.47 × 30,665.51
  4. Step 4: Simplify right side
    53,328.28x = 2,257,057,279.81
  5. Step 5: Solve for x
    x = 2,257,057,279.81/53,328.28
  6. Step 6: Final answer
    x = 42,323.83

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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.