Home / 53,050.56-79,573.81-17,990.18

Finding the Fourth Proportional to 53,050.56, 79,573.81 and 17,990.18

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Solution

The fourth proportional to 53,050.56, 79,573.81 and 17,990.18 is: 26,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.56 : 79,573.81 = 17,990.18 : x
  2. Step 2: Convert to fraction form
    53,050.56/79,573.81 = 17,990.18/x
  3. Step 3: Cross multiply
    53,050.56x = 79,573.81 × 17,990.18
  4. Step 4: Simplify right side
    53,050.56x = 1,431,547,165.19
  5. Step 5: Solve for x
    x = 1,431,547,165.19/53,050.56
  6. Step 6: Final answer
    x = 26,984.58

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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.