Home / 46,686.48-64,406.50-28,774.96

Finding the Fourth Proportional to 46,686.48, 64,406.50 and 28,774.96

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Solution

The fourth proportional to 46,686.48, 64,406.50 and 28,774.96 is: 39,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,686.48 : 64,406.50 = 28,774.96 : x
  2. Step 2: Convert to fraction form
    46,686.48/64,406.50 = 28,774.96/x
  3. Step 3: Cross multiply
    46,686.48x = 64,406.50 × 28,774.96
  4. Step 4: Simplify right side
    46,686.48x = 1,853,294,461.24
  5. Step 5: Solve for x
    x = 1,853,294,461.24/46,686.48
  6. Step 6: Final answer
    x = 39,696.60

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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.