Home / 42,285.09-63,437.37-12,703.50

Finding the Fourth Proportional to 42,285.09, 63,437.37 and 12,703.50

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Solution

The fourth proportional to 42,285.09, 63,437.37 and 12,703.50 is: 19,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.09 : 63,437.37 = 12,703.50 : x
  2. Step 2: Convert to fraction form
    42,285.09/63,437.37 = 12,703.50/x
  3. Step 3: Cross multiply
    42,285.09x = 63,437.37 × 12,703.50
  4. Step 4: Simplify right side
    42,285.09x = 805,876,629.80
  5. Step 5: Solve for x
    x = 805,876,629.80/42,285.09
  6. Step 6: Final answer
    x = 19,058.17

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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.