Home / 36,430.20-54,643.86-13,054.68

Finding the Fourth Proportional to 36,430.20, 54,643.86 and 13,054.68

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Solution

The fourth proportional to 36,430.20, 54,643.86 and 13,054.68 is: 19,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.20 : 54,643.86 = 13,054.68 : x
  2. Step 2: Convert to fraction form
    36,430.20/54,643.86 = 13,054.68/x
  3. Step 3: Cross multiply
    36,430.20x = 54,643.86 × 13,054.68
  4. Step 4: Simplify right side
    36,430.20x = 713,358,106.26
  5. Step 5: Solve for x
    x = 713,358,106.26/36,430.20
  6. Step 6: Final answer
    x = 19,581.50

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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.