Home / 42,107.95-63,140.74-14,017.99

Finding the Fourth Proportional to 42,107.95, 63,140.74 and 14,017.99

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Solution

The fourth proportional to 42,107.95, 63,140.74 and 14,017.99 is: 21,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.95 : 63,140.74 = 14,017.99 : x
  2. Step 2: Convert to fraction form
    42,107.95/63,140.74 = 14,017.99/x
  3. Step 3: Cross multiply
    42,107.95x = 63,140.74 × 14,017.99
  4. Step 4: Simplify right side
    42,107.95x = 885,106,266.26
  5. Step 5: Solve for x
    x = 885,106,266.26/42,107.95
  6. Step 6: Final answer
    x = 21,019.93

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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.