Home / 42,984.40-64,500.14-16,690.18

Finding the Fourth Proportional to 42,984.40, 64,500.14 and 16,690.18

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Solution

The fourth proportional to 42,984.40, 64,500.14 and 16,690.18 is: 25,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984.40 : 64,500.14 = 16,690.18 : x
  2. Step 2: Convert to fraction form
    42,984.40/64,500.14 = 16,690.18/x
  3. Step 3: Cross multiply
    42,984.40x = 64,500.14 × 16,690.18
  4. Step 4: Simplify right side
    42,984.40x = 1,076,518,946.63
  5. Step 5: Solve for x
    x = 1,076,518,946.63/42,984.40
  6. Step 6: Final answer
    x = 25,044.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.