Home / 51,024.09-70,418.06-30,885.99

Finding the Fourth Proportional to 51,024.09, 70,418.06 and 30,885.99

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Solution

The fourth proportional to 51,024.09, 70,418.06 and 30,885.99 is: 42,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,024.09 : 70,418.06 = 30,885.99 : x
  2. Step 2: Convert to fraction form
    51,024.09/70,418.06 = 30,885.99/x
  3. Step 3: Cross multiply
    51,024.09x = 70,418.06 × 30,885.99
  4. Step 4: Simplify right side
    51,024.09x = 2,174,931,342.55
  5. Step 5: Solve for x
    x = 2,174,931,342.55/51,024.09
  6. Step 6: Final answer
    x = 42,625.58

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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.