Home / 46,830.40-64,627.20-27,978.40

Finding the Fourth Proportional to 46,830.40, 64,627.20 and 27,978.40

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Solution

The fourth proportional to 46,830.40, 64,627.20 and 27,978.40 is: 38,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,830.40 : 64,627.20 = 27,978.40 : x
  2. Step 2: Convert to fraction form
    46,830.40/64,627.20 = 27,978.40/x
  3. Step 3: Cross multiply
    46,830.40x = 64,627.20 × 27,978.40
  4. Step 4: Simplify right side
    46,830.40x = 1,808,165,652.48
  5. Step 5: Solve for x
    x = 1,808,165,652.48/46,830.40
  6. Step 6: Final answer
    x = 38,610.94

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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.