Home / 30,389.40-45,551.70-13,746.60

Finding the Fourth Proportional to 30,389.40, 45,551.70 and 13,746.60

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Solution

The fourth proportional to 30,389.40, 45,551.70 and 13,746.60 is: 20,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.40 : 45,551.70 = 13,746.60 : x
  2. Step 2: Convert to fraction form
    30,389.40/45,551.70 = 13,746.60/x
  3. Step 3: Cross multiply
    30,389.40x = 45,551.70 × 13,746.60
  4. Step 4: Simplify right side
    30,389.40x = 626,180,999.22
  5. Step 5: Solve for x
    x = 626,180,999.22/30,389.40
  6. Step 6: Final answer
    x = 20,605.24

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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.