Home / 51,058.35-70,455.15-28,393.67

Finding the Fourth Proportional to 51,058.35, 70,455.15 and 28,393.67

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Solution

The fourth proportional to 51,058.35, 70,455.15 and 28,393.67 is: 39,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.35 : 70,455.15 = 28,393.67 : x
  2. Step 2: Convert to fraction form
    51,058.35/70,455.15 = 28,393.67/x
  3. Step 3: Cross multiply
    51,058.35x = 70,455.15 × 28,393.67
  4. Step 4: Simplify right side
    51,058.35x = 2,000,480,455.04
  5. Step 5: Solve for x
    x = 2,000,480,455.04/51,058.35
  6. Step 6: Final answer
    x = 39,180.28

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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.