Home / 51,018.84-70,407.30-28,048.38

Finding the Fourth Proportional to 51,018.84, 70,407.30 and 28,048.38

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Solution

The fourth proportional to 51,018.84, 70,407.30 and 28,048.38 is: 38,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.84 : 70,407.30 = 28,048.38 : x
  2. Step 2: Convert to fraction form
    51,018.84/70,407.30 = 28,048.38/x
  3. Step 3: Cross multiply
    51,018.84x = 70,407.30 × 28,048.38
  4. Step 4: Simplify right side
    51,018.84x = 1,974,810,705.17
  5. Step 5: Solve for x
    x = 1,974,810,705.17/51,018.84
  6. Step 6: Final answer
    x = 38,707.48

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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.