Home / 53,528.65-80,294.28-17,990.49

Finding the Fourth Proportional to 53,528.65, 80,294.28 and 17,990.49

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Solution

The fourth proportional to 53,528.65, 80,294.28 and 17,990.49 is: 26,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.65 : 80,294.28 = 17,990.49 : x
  2. Step 2: Convert to fraction form
    53,528.65/80,294.28 = 17,990.49/x
  3. Step 3: Cross multiply
    53,528.65x = 80,294.28 × 17,990.49
  4. Step 4: Simplify right side
    53,528.65x = 1,444,533,441.40
  5. Step 5: Solve for x
    x = 1,444,533,441.40/53,528.65
  6. Step 6: Final answer
    x = 26,986.17

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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.