Home / 37,988.70-56,988.54-13,035.06

Finding the Fourth Proportional to 37,988.70, 56,988.54 and 13,035.06

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Solution

The fourth proportional to 37,988.70, 56,988.54 and 13,035.06 is: 19,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.70 : 56,988.54 = 13,035.06 : x
  2. Step 2: Convert to fraction form
    37,988.70/56,988.54 = 13,035.06/x
  3. Step 3: Cross multiply
    37,988.70x = 56,988.54 × 13,035.06
  4. Step 4: Simplify right side
    37,988.70x = 742,849,038.21
  5. Step 5: Solve for x
    x = 742,849,038.21/37,988.70
  6. Step 6: Final answer
    x = 19,554.47

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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.