Home / 83,030.04-124,543.98-20,701.08

Finding the Fourth Proportional to 83,030.04, 124,543.98 and 20,701.08

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Solution

The fourth proportional to 83,030.04, 124,543.98 and 20,701.08 is: 31,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030.04 : 124,543.98 = 20,701.08 : x
  2. Step 2: Convert to fraction form
    83,030.04/124,543.98 = 20,701.08/x
  3. Step 3: Cross multiply
    83,030.04x = 124,543.98 × 20,701.08
  4. Step 4: Simplify right side
    83,030.04x = 2,578,194,893.50
  5. Step 5: Solve for x
    x = 2,578,194,893.50/83,030.04
  6. Step 6: Final answer
    x = 31,051.35

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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.