Home / 45,325.63-62,498.95-30,987.80

Finding the Fourth Proportional to 45,325.63, 62,498.95 and 30,987.80

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Solution

The fourth proportional to 45,325.63, 62,498.95 and 30,987.80 is: 42,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,325.63 : 62,498.95 = 30,987.80 : x
  2. Step 2: Convert to fraction form
    45,325.63/62,498.95 = 30,987.80/x
  3. Step 3: Cross multiply
    45,325.63x = 62,498.95 × 30,987.80
  4. Step 4: Simplify right side
    45,325.63x = 1,936,704,894.37
  5. Step 5: Solve for x
    x = 1,936,704,894.37/45,325.63
  6. Step 6: Final answer
    x = 42,728.69

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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.