Home / 45,533.76-62,814.30-30,430.16

Finding the Fourth Proportional to 45,533.76, 62,814.30 and 30,430.16

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Solution

The fourth proportional to 45,533.76, 62,814.30 and 30,430.16 is: 41,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,533.76 : 62,814.30 = 30,430.16 : x
  2. Step 2: Convert to fraction form
    45,533.76/62,814.30 = 30,430.16/x
  3. Step 3: Cross multiply
    45,533.76x = 62,814.30 × 30,430.16
  4. Step 4: Simplify right side
    45,533.76x = 1,911,449,199.29
  5. Step 5: Solve for x
    x = 1,911,449,199.29/45,533.76
  6. Step 6: Final answer
    x = 41,978.73

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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.