Home / 37,397.76-56,085.12-12,768

Finding the Fourth Proportional to 37,397.76, 56,085.12 and 12,768

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Solution

The fourth proportional to 37,397.76, 56,085.12 and 12,768 is: 19,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397.76 : 56,085.12 = 12,768 : x
  2. Step 2: Convert to fraction form
    37,397.76/56,085.12 = 12,768/x
  3. Step 3: Cross multiply
    37,397.76x = 56,085.12 × 12,768
  4. Step 4: Simplify right side
    37,397.76x = 716,094,812.16
  5. Step 5: Solve for x
    x = 716,094,812.16/37,397.76
  6. Step 6: Final answer
    x = 19,148.07

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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.