Home / 53,331.84-79,943.04-20,045.76

Finding the Fourth Proportional to 53,331.84, 79,943.04 and 20,045.76

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Solution

The fourth proportional to 53,331.84, 79,943.04 and 20,045.76 is: 30,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.84 : 79,943.04 = 20,045.76 : x
  2. Step 2: Convert to fraction form
    53,331.84/79,943.04 = 20,045.76/x
  3. Step 3: Cross multiply
    53,331.84x = 79,943.04 × 20,045.76
  4. Step 4: Simplify right side
    53,331.84x = 1,602,518,993.51
  5. Step 5: Solve for x
    x = 1,602,518,993.51/53,331.84
  6. Step 6: Final answer
    x = 30,048.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.