Home / 47,509.58-65,552.81-28,386.48

Finding the Fourth Proportional to 47,509.58, 65,552.81 and 28,386.48

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Solution

The fourth proportional to 47,509.58, 65,552.81 and 28,386.48 is: 39,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.58 : 65,552.81 = 28,386.48 : x
  2. Step 2: Convert to fraction form
    47,509.58/65,552.81 = 28,386.48/x
  3. Step 3: Cross multiply
    47,509.58x = 65,552.81 × 28,386.48
  4. Step 4: Simplify right side
    47,509.58x = 1,860,813,388.08
  5. Step 5: Solve for x
    x = 1,860,813,388.08/47,509.58
  6. Step 6: Final answer
    x = 39,167.12

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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.