Home / 35,307.23-48,702.57-20,957.60

Finding the Fourth Proportional to 35,307.23, 48,702.57 and 20,957.60

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Solution

The fourth proportional to 35,307.23, 48,702.57 and 20,957.60 is: 28,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.23 : 48,702.57 = 20,957.60 : x
  2. Step 2: Convert to fraction form
    35,307.23/48,702.57 = 20,957.60/x
  3. Step 3: Cross multiply
    35,307.23x = 48,702.57 × 20,957.60
  4. Step 4: Simplify right side
    35,307.23x = 1,020,688,737.52
  5. Step 5: Solve for x
    x = 1,020,688,737.52/35,307.23
  6. Step 6: Final answer
    x = 28,908.78

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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.