Home / 65,282.69-90,088.40-36,988.38

Finding the Fourth Proportional to 65,282.69, 90,088.40 and 36,988.38

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Solution

The fourth proportional to 65,282.69, 90,088.40 and 36,988.38 is: 51,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,282.69 : 90,088.40 = 36,988.38 : x
  2. Step 2: Convert to fraction form
    65,282.69/90,088.40 = 36,988.38/x
  3. Step 3: Cross multiply
    65,282.69x = 90,088.40 × 36,988.38
  4. Step 4: Simplify right side
    65,282.69x = 3,332,224,065.26
  5. Step 5: Solve for x
    x = 3,332,224,065.26/65,282.69
  6. Step 6: Final answer
    x = 51,042.99

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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.