Home / 30,848.03-42,570.36-16,700.90

Finding the Fourth Proportional to 30,848.03, 42,570.36 and 16,700.90

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Solution

The fourth proportional to 30,848.03, 42,570.36 and 16,700.90 is: 23,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.03 : 42,570.36 = 16,700.90 : x
  2. Step 2: Convert to fraction form
    30,848.03/42,570.36 = 16,700.90/x
  3. Step 3: Cross multiply
    30,848.03x = 42,570.36 × 16,700.90
  4. Step 4: Simplify right side
    30,848.03x = 710,963,325.32
  5. Step 5: Solve for x
    x = 710,963,325.32/30,848.03
  6. Step 6: Final answer
    x = 23,047.28

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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.