Home / 46,702.90-64,430.50-30,574.15

Finding the Fourth Proportional to 46,702.90, 64,430.50 and 30,574.15

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Solution

The fourth proportional to 46,702.90, 64,430.50 and 30,574.15 is: 42,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,702.90 : 64,430.50 = 30,574.15 : x
  2. Step 2: Convert to fraction form
    46,702.90/64,430.50 = 30,574.15/x
  3. Step 3: Cross multiply
    46,702.90x = 64,430.50 × 30,574.15
  4. Step 4: Simplify right side
    46,702.90x = 1,969,907,771.58
  5. Step 5: Solve for x
    x = 1,969,907,771.58/46,702.90
  6. Step 6: Final answer
    x = 42,179.56

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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.