Home / 46,726.95-70,112.31-20,428.29

Finding the Fourth Proportional to 46,726.95, 70,112.31 and 20,428.29

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Solution

The fourth proportional to 46,726.95, 70,112.31 and 20,428.29 is: 30,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,726.95 : 70,112.31 = 20,428.29 : x
  2. Step 2: Convert to fraction form
    46,726.95/70,112.31 = 20,428.29/x
  3. Step 3: Cross multiply
    46,726.95x = 70,112.31 × 20,428.29
  4. Step 4: Simplify right side
    46,726.95x = 1,432,274,601.25
  5. Step 5: Solve for x
    x = 1,432,274,601.25/46,726.95
  6. Step 6: Final answer
    x = 30,652.00

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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.