Home / 47,412.59-65,430.66-28,303.45

Finding the Fourth Proportional to 47,412.59, 65,430.66 and 28,303.45

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Solution

The fourth proportional to 47,412.59, 65,430.66 and 28,303.45 is: 39,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.59 : 65,430.66 = 28,303.45 : x
  2. Step 2: Convert to fraction form
    47,412.59/65,430.66 = 28,303.45/x
  3. Step 3: Cross multiply
    47,412.59x = 65,430.66 × 28,303.45
  4. Step 4: Simplify right side
    47,412.59x = 1,851,913,565.18
  5. Step 5: Solve for x
    x = 1,851,913,565.18/47,412.59
  6. Step 6: Final answer
    x = 39,059.53

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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.