Home / 67,389.09-93,001.55-39,094.79

Finding the Fourth Proportional to 67,389.09, 93,001.55 and 39,094.79

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Solution

The fourth proportional to 67,389.09, 93,001.55 and 39,094.79 is: 53,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.09 : 93,001.55 = 39,094.79 : x
  2. Step 2: Convert to fraction form
    67,389.09/93,001.55 = 39,094.79/x
  3. Step 3: Cross multiply
    67,389.09x = 93,001.55 × 39,094.79
  4. Step 4: Simplify right side
    67,389.09x = 3,635,875,406.44
  5. Step 5: Solve for x
    x = 3,635,875,406.44/67,389.09
  6. Step 6: Final answer
    x = 53,953.47

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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.