Home / 31,075.02-42,883.65-16,927.74

Finding the Fourth Proportional to 31,075.02, 42,883.65 and 16,927.74

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Solution

The fourth proportional to 31,075.02, 42,883.65 and 16,927.74 is: 23,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.02 : 42,883.65 = 16,927.74 : x
  2. Step 2: Convert to fraction form
    31,075.02/42,883.65 = 16,927.74/x
  3. Step 3: Cross multiply
    31,075.02x = 42,883.65 × 16,927.74
  4. Step 4: Simplify right side
    31,075.02x = 725,923,277.45
  5. Step 5: Solve for x
    x = 725,923,277.45/31,075.02
  6. Step 6: Final answer
    x = 23,360.35

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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.