Home / 34,054.81-47,017.59-21,960.70

Finding the Fourth Proportional to 34,054.81, 47,017.59 and 21,960.70

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Solution

The fourth proportional to 34,054.81, 47,017.59 and 21,960.70 is: 30,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.81 : 47,017.59 = 21,960.70 : x
  2. Step 2: Convert to fraction form
    34,054.81/47,017.59 = 21,960.70/x
  3. Step 3: Cross multiply
    34,054.81x = 47,017.59 × 21,960.70
  4. Step 4: Simplify right side
    34,054.81x = 1,032,539,188.71
  5. Step 5: Solve for x
    x = 1,032,539,188.71/34,054.81
  6. Step 6: Final answer
    x = 30,319.92

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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.