Home / 30,858.47-46,259.98-11,132.40

Finding the Fourth Proportional to 30,858.47, 46,259.98 and 11,132.40

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Solution

The fourth proportional to 30,858.47, 46,259.98 and 11,132.40 is: 16,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.47 : 46,259.98 = 11,132.40 : x
  2. Step 2: Convert to fraction form
    30,858.47/46,259.98 = 11,132.40/x
  3. Step 3: Cross multiply
    30,858.47x = 46,259.98 × 11,132.40
  4. Step 4: Simplify right side
    30,858.47x = 514,984,747.00
  5. Step 5: Solve for x
    x = 514,984,747.00/30,858.47
  6. Step 6: Final answer
    x = 16,688.60

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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.