Home / 30,457.63-42,042.98-22,925.75

Finding the Fourth Proportional to 30,457.63, 42,042.98 and 22,925.75

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Solution

The fourth proportional to 30,457.63, 42,042.98 and 22,925.75 is: 31,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.63 : 42,042.98 = 22,925.75 : x
  2. Step 2: Convert to fraction form
    30,457.63/42,042.98 = 22,925.75/x
  3. Step 3: Cross multiply
    30,457.63x = 42,042.98 × 22,925.75
  4. Step 4: Simplify right side
    30,457.63x = 963,866,848.74
  5. Step 5: Solve for x
    x = 963,866,848.74/30,457.63
  6. Step 6: Final answer
    x = 31,646.15

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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.