Home / 42,192.95-63,234.06-31,047.45

Finding the Fourth Proportional to 42,192.95, 63,234.06 and 31,047.45

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Solution

The fourth proportional to 42,192.95, 63,234.06 and 31,047.45 is: 46,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192.95 : 63,234.06 = 31,047.45 : x
  2. Step 2: Convert to fraction form
    42,192.95/63,234.06 = 31,047.45/x
  3. Step 3: Cross multiply
    42,192.95x = 63,234.06 × 31,047.45
  4. Step 4: Simplify right side
    42,192.95x = 1,963,256,393.77
  5. Step 5: Solve for x
    x = 1,963,256,393.77/42,192.95
  6. Step 6: Final answer
    x = 46,530.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.